Q:
At minimum fluidisation with gas flow, which one of the following is correct?
Answer & Explanation
Answer: D) Half or partial quantity of the solids are in random movement
Explanation: When fluidisation is reached in gas-solid fluidised bed, the terminal velocity for smaller and lesser density particles is reached earlier which makes them free in the tube. Hence we usually observe fluidisation at the point when half or partial quantity of the solids are in random movement.
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